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ZEUS Technical Manual Detailed hardware description
© 2007 Eurotech Ltd Issue D 25
GPIO
No AF
Signal name Dir Active
Function
Wake-up
source
See section…
52 0 MMC_WP Input
Low SDIO Write Protect Status
53 0 MMC_CD Input
SDIO Card Detect IRQ
3
SDIO
, page 39
54 2 CB_PCE2# Output Low Card Bus High Byte Enable
55 2
CB_PREG#
Output Low
Card Bus Register Space
Select
56 1 CB_WAIT# Input
Low Card Bus WAIT#
57 1
CB_PIOIS16#
Input
Low Card Bus IOIS16#
Expansion interfaces
,
page 38
58 2 LCD_D0 Output
NA LCD Data Bit 0
59 2 LCD_D1 Output
NA LCD Data Bit 1
60 2 LCD_D2 Output
NA LCD Data Bit 2
61 2 LCD_D3 Output
NA LCD Data Bit 3
62 2 LCD_D4 Output
NA LCD Data Bit 4
63 2 LCD_D5 Output
NA LCD Data Bit 5
64 2 LCD_D6 Output
NA LCD Data Bit 6
65 2 LCD_D7 Output
NA LCD Data Bit 7
66 2 LCD_D8 Output
NA LCD Data Bit 8
67 2 LCD_D9 Output
NA LCD Data Bit 9
68 2 LCD_D10 Output
NA LCD Data Bit 10
69 2 LCD_D11 Output
NA LCD Data Bit 11
70 2 LCD_D12 Output
NA LCD Data Bit 12
71 2 LCD_D13 Output
NA LCD Data Bit 13
72 2 LCD_D14 Output
NA LCD Data Bit 14
73 2 LCD_D15 Output
NA LCD Data Bit 15
74 2 LCD_FCLK Output
NA
LCD Frame Clock (STN) /
Vertical Sync (TFT)
75 2 LCD_LCLK Output
NA
LCD Line Clock (STN) /
Horizontal Sync (TFT)
76 2 LCD_PCLK Output
NA
LCD Pixel Clock (STN) /
Clock (TFT)
77 2 LCD_BIAS Output
NA
LCD Bias (STN) / Data
Enable (TFT)
Flat panel display
,
page 44
continued…